Otjes, S. & G. Voerman (2016) "Four Flavours of Euroscepticism in the Netherlands" in Moreau, Patrick & Wassenberg, Birte (red.) European Integration and new Anti-Europeanism I. The 2014 European Election and the Rise of Euroscepticism in Western Europe. Stuttgart: Franz Steiner Verlag.

Otjes, S., T. Louwerse and A. Timmermans (2015) "Populism and Opposition Party Behaviour in Netherlands" gepresenteerd op de Conference of the Council of European Studies Paris, Frankrijk 8-10 juni.

Roger, L. S. Otjes and H. van der Veer (2015) "Decision-making in the European Parliament: compromising on the two-pack" gepresenteerd op de Conference of the Council of European Studies Parijs, Frankrijk 8-10 juni.

Otjes, S. (2015) "What's Left of the Radical Right?" gepresenteerd op de workshop What's Left of the Radical Right? in Nijmegen, Nederland 19-21 januari.

Katsanidou, A., & S. Otjes. (2014). "How the European crisis reshaped the Greek political space." Conferentie van Greek Network for the Study of Elections, Public Opinion and Parties (GrEPOP) in Thessaloniki.

Otjes, S. (2014) "Economic Policy Positions during the European Budgetary Crisis: the Netherlands 2006-2012" gepresenteerd op de Conference Elections and Democracy in Europe of the Scandinavian Network of European Studies, Brussel, België 7-9 april.

Otjes, S. (2011) "Understanding Anticipation and Reaction: When, How and Why Do Established Parties Change Their Policy Priorities in Response to the Entry of a New Political Party into the Parliamentary Arena?" gepresenteerd op de MPSA Conferentie in Chicago, Verenigde Staten 31 maart - 3 april.

Otjes, S. (2010) “The co-optation of ‘unique’ policies of new parties by established parties” gepresenteerd op de ECPR Graduate Conference in Dublin, Ierland 29 august - 1 september 2010 and Politicologenetmaal in Leuven, België 27-28 mei.